The OpenVox VoxStack VS-GW2120 V2-series Analog Gateways, upgrade products of the standard VoxStack VS-GW2120-series, are now the leading open-source Asterisk®-based VoIP Gateway solution for SOHOs and SMBs. With friendly GUI and unique modular design, users may easily setup their customized Gateway. Also secondary development can be completed through AMI (Asterisk Management Interface).

OpenVox VoxStack VS-GW2120 V2-series Analog Gateways can support up to 40 channels synchronously and support hot-swap. Users can simply add or remove the modules for hardware expansion or exchange.

The modular design Analog Gateways are developed for interconnecting a wide selection of codecs, including G.711A, G.711U, G.729, G.722, G.723, G.726 & ILBC, to quickly reduce telecommunication expenses and maximize cost-savings. The OpenVox V2-series Analog Gateways are designed with a LAN Switch board that provides stackability on the hardware upgrade.

The OpenVox V2-series Analog Gateways use standard SIP protocol and are compatible with leading IMS/NGN platforms, IPPBXs and SIP servers, and support most of the VoIP operating platforms such as Asterisk®, Elastix®, 3CX, FreeSWITCH™, Broadsoft®, etc.